Ontologia

Commune · FRA

La Chapelle-Achard

France

CfbTemperate, no dry season, warm summer(100 %)

Species observed

642

Observations

1 546

Area

21,7km²

Ecological tissue

Sample of 37 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de La Chapelle-Achard : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 80 interactions GloBI sur 5 types (connectance 12.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
80
Connectance
0.120
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

642 distinct species · 1 546 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 546 obs · 1 cellules
Obs. / cellule
≥ 1 546
1 546–1 545
1 546–1 545
1 546–1 545
< 1 546

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

12,7°C

Annual rain

872mm

Warmest m°

22,5°C

Coldest m°

4,3°C

Elevation: 37 m on average (min 25 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
12,7°C
Annual rain
872mm
Warmest month
22,5°C
Coldest month
4,3°C
Mean alt.
37m
Min
25m
Max
56m
Std. dev.
7m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,3

Org. C

31,6g/kg

Clay

24,4%

Sand

26,6%

Silt

48,9%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiMaggregated to Vendée

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
56,0g/kg
Clay
22,9%
Sand
26,7%
Silt
50,5%
5–15 cm
pH H₂O
6,3
Org. C
19,9g/kg
Clay
23,9%
Sand
25,4%
Silt
50,6%
15–30 cm
pH H₂O
6,3
Org. C
19,0g/kg
Clay
26,4%
Sand
27,8%
Silt
45,7%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest7.9%
Crops61.3%
Built-up2.1%
Bare soil0.7%
Other (grassland, water…)28.0%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology1 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

7,9km

Basins crossed

1

Max stream order

2

Max drainage

893km²

Discharge in basins

0,0m³/s

Mean precip.

827mm/an

Mean T°

12,1°C

Moisture idx

0,04

Max snow

3%

Mean runoff

555mm/an

Mean elev. (basins)

35m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

3,0nW

Built-up

213,5%

Pesticides

42,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

France-specific data (Phase 2)

ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.